MariaDB 11.3 Changes & Improvements

MariaDB 11.3 is an old rolling release and is no longer maintained. Please use a more recent release.

MariaDB 11.3 is a previous rolling release. It is the first release in the new release model. From 11.3, we stop doing GA bug fix releases within each minor version. See Adjusting the MariaDB Server release model (mariadb.org).

Upgrading

• See and .

New Features & Improvements

Connection Redirection

• Added a using the system variable ()

• At the moment client-side support is missing

InnoDB

• Shrink without restart by setting the system variable. ()

Replication

• Add keywords "SQL_BEFORE_GTIDS" and "SQL_AFTER_GTIDS" for (). SQL_BEFORE_GTIDS stops the replica when it sees gtids of the option's argument list, without executing them.

Data Types

• It is now possible to create on tables that contain ()

• data types can now be cast into types ()

• This means INET4 values can be compared with INET6 values and can be inserted into INET6 columns; the server can automatically convert INET4 value into INET6 as needed.

Functions

• Values generated by the Key Derivation Function are resistant against password hashing generators, so are good for strongly hashed passwords ().

Date and Time

• function can now print the current time zone abbreviation and current time zone offset from UTC with %Z and %z format specifiers. ()

Optimizer

• Queries like can now use an index on varchar_col if its collation is case insensitive. An option, , has been added to enable this optimization. ()

Privileges

• Add a new database-level , SHOW CREATE ROUTINE that allows one to see the routine definition even if the user isn't the routine owner ()

Processlist

• Added a SENT_ROWS column to the table, as well as extended the display size for the columns in processlist to ensure that most results will fit in display ()

OLD_MODE

• Setting a non-default value will now always issue a deprecation warning ()

mariadb-backup

• mode has been deprecated ()

Spider

• The storage engine now supports table options instead of having to encode them in COMMENT/CONNECTION strings. When any table option is specified, Spider will ignore COMMENT/CONNECTION strings at the same table/partition/subpartition. A new variable is introduced to ignore them globally at all levels (table/partition/subpartition). Another variable, , is introduced to suppress warnings when Spider ignores COMMENT/CONNECTION strings. ()

Removed

The following deprecated features and system variables have been removed ():

• sr_YU (deprecated since )

• "engine_condition_pushdown" in (deprecated since )

• , , , (deprecated since )

• (deprecated since )

Variables

• For a list of all new variables, see .

Security Vulnerabilities Fixed in

For a complete list of security vulnerabilities (CVEs) fixed across all versions of MariaDB, see the page.

List of All Releases